package com.joehongfa.webmagic;

import us.codecraft.webmagic.Page;
import us.codecraft.webmagic.Site;
import us.codecraft.webmagic.Spider;
import us.codecraft.webmagic.processor.PageProcessor;
import us.codecraft.webmagic.processor.example.GithubRepoPageProcessor;

public class CrawerDemo implements PageProcessor {
	private Site site = Site.me().setRetryTimes(3).setSleepTime(1000);

	public void process(Page page) {
		page.addTargetRequests(page.getHtml().links().regex("(https://github\\.com/\\w+/\\w+)").all());
		page.putField("author", page.getUrl().regex("https://github\\.com/(\\w+)/.*").toString());
		page.putField("name", page.getHtml().xpath("//h1[@class='public']/strong/a/text()").toString());
		if (page.getResultItems().get("name") == null) {
			// skip this page
			page.setSkip(true);
		}
		page.putField("readme", page.getHtml().xpath("//div[@id='readme']/tidyText()"));

	}

	public Site getSite() {
		return site;
	}

	public static void main(String[] args) {
		Spider.create(new GithubRepoPageProcessor()).addUrl("https://github.com/code4craft").thread(5).run();
	}

}
